I've never had any success, brazing to steel. Maybe need the higher
My last job, we used to use Sta-Brite low temp stuff on new copper.
When it's a tight fit, and brand new copper, that works well. I was
doing installs of new AC, often installing AC on top of a furnace that
didn't have AC before that day.
The stick braze works well, if there's bigger voids to fill. Or, if
it's old copper. Also, ataching a cap tube to the end of a piece of
copper tubing, nothing like stick braze.
Christopher A. Young
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